The sentence "Paper boats and candles send off the God of Plague" comes from the second part of Chairman Mao's "Send Off the God of Plague". This means burning paper boats and candles to send the god of plague away.
"Farewell to the God of Plague" Part 2? Mao Zedong
The spring breeze brings thousands of willows, and the 600 million Chinese states are all filled with Shun and Yao.
The red rain turns into waves at will, and the green mountains turn into bridges intentionally.
Silver hoe fell from the five ridges of the sky, and the iron arms of three rivers shook due to the earthquake.
May I ask where King Wen wants to go? The paper boat is burning with candles shining in the sky.